K8s 管理系统项目[API部分–Secret]

1. 接口实现

service/dataselector.go

// secret
type secretCell corev1.Secret

func (s secretCell) GetCreation() time.Time {
	return s.CreationTimestamp.Time
}

func (s secretCell) GetName() string {
	return s.Name
}

2. Secret功能

service/secret.go

package service

import (
	"context"
	"encoding/json"
	"errors"

	"github.com/wonderivan/logger"
	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

var Secret secret

type secret struct{}

type SecretsResp struct {
	Items []corev1.Secret `json:"items"`
	Total int             `json:"total"`
}

// 获取secret列表，支持过滤、排序、分页
func (s *secret) GetSecrets(filterName, namespace string, limit, page int) (secretsResp *SecretsResp, err error) {
	//获取secretList类型的secret列表
	secretList, err := K8s.ClientSet.CoreV1().Secrets(namespace).List(context.TODO(), metav1.ListOptions{})
	if err != nil {
		logger.Error(errors.New("获取Secret列表失败, " + err.Error()))
		return nil, errors.New("获取Secret列表失败, " + err.Error())
	}
	//将secretList中的secret列表(Items)，放进dataselector对象中，进行排序
	selectableData := &dataSelector{
		GenericDataList: s.toCells(secretList.Items),
		DataSelect: &DataSelectQuery{
			Filter: &FilterQuery{Name: filterName},
			Paginate: &PaginateQuery{
				Limit: limit,
				Page:  page,
			},
		},
	}

	filtered := selectableData.Filter()
	total := len(filtered.GenericDataList)
	data := filtered.Sort().Paginate()

	//将[]DataCell类型的secret列表转为v1.secret列表
	secrets := s.fromCells(data.GenericDataList)

	return &SecretsResp{
		Items: secrets,
		Total: total,
	}, nil
}

// 获取secret详情
func (s *secret) GetSecretDetail(secretName, namespace string) (secret *corev1.Secret, err error) {
	secret, err = K8s.ClientSet.CoreV1().Secrets(namespace).Get(context.TODO(), secretName, metav1.GetOptions{})
	if err != nil {
		logger.Error(errors.New("获取Secret详情失败, " + err.Error()))
		return nil, errors.New("获取Secret详情失败, " + err.Error())
	}

	return secret, nil
}

// 删除secret
func (s *secret) DeleteSecret(secretName, namespace string) (err error) {
	err = K8s.ClientSet.CoreV1().Secrets(namespace).Delete(context.TODO(), secretName, metav1.DeleteOptions{})
	if err != nil {
		logger.Error(errors.New("删除Secret失败, " + err.Error()))
		return errors.New("删除Secret失败, " + err.Error())
	}

	return nil
}

// 更新secret
func (s *secret) UpdateSecret(namespace, content string) (err error) {
	var secret = &corev1.Secret{}

	err = json.Unmarshal([]byte(content), secret)
	if err != nil {
		logger.Error(errors.New("反序列化失败, " + err.Error()))
		return errors.New("反序列化失败, " + err.Error())
	}

	_, err = K8s.ClientSet.CoreV1().Secrets(namespace).Update(context.TODO(), secret, metav1.UpdateOptions{})
	if err != nil {
		logger.Error(errors.New("更新Secret失败, " + err.Error()))
		return errors.New("更新Secret失败, " + err.Error())
	}
	return nil
}

func (s *secret) toCells(std []corev1.Secret) []DataCell {
	cells := make([]DataCell, len(std))
	for i := range std {
		cells[i] = secretCell(std[i])
	}
	return cells
}

func (s *secret) fromCells(cells []DataCell) []corev1.Secret {
	secrets := make([]corev1.Secret, len(cells))
	for i := range cells {
		secrets[i] = corev1.Secret(cells[i].(secretCell))
	}

	return secrets
}

3. 获取Secret列表

controller/secret.go

package controller

import (
	"k8s-plantform/service"
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/wonderivan/logger"
)

var Secret secret

type secret struct{}

// 获取secret列表，支持过滤、排序、分页
func (s *secret) GetSecrets(ctx *gin.Context) {
	params := new(struct {
		FilterName string `form:"filter_name"`
		Namespace  string `form:"namespace"`
		Page       int    `form:"page"`
		Limit      int    `form:"limit"`
	})
	if err := ctx.Bind(params); err != nil {
		logger.Error("Bind请求参数失败, " + err.Error())
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}

	data, err := service.Secret.GetSecrets(params.FilterName, params.Namespace, params.Limit, params.Page)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}

	ctx.JSON(http.StatusOK, gin.H{
		"msg":  "获取Secret列表成功",
		"data": data,
	})
}

// 获取secret详情
func (s *secret) GetSecretDetail(ctx *gin.Context) {
	params := new(struct {
		SecretName string `form:"secret_name"`
		Namespace  string `form:"namespace"`
	})
	if err := ctx.Bind(params); err != nil {
		logger.Error("Bind请求参数失败, " + err.Error())
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}

	data, err := service.Secret.GetSecretDetail(params.SecretName, params.Namespace)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}

	ctx.JSON(http.StatusOK, gin.H{
		"msg":  "获取Secret详情成功",
		"data": data,
	})
}

// 删除secret
func (s *secret) DeleteSecret(ctx *gin.Context) {
	params := new(struct {
		SecretName string `json:"secret_name"`
		Namespace  string `json:"namespace"`
	})
	//DELETE请求，绑定参数方法改为ctx.ShouldBindJSON
	if err := ctx.ShouldBindJSON(params); err != nil {
		logger.Error("Bind请求参数失败, " + err.Error())
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}

	err := service.Secret.DeleteSecret(params.SecretName, params.Namespace)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}
	ctx.JSON(http.StatusOK, gin.H{
		"msg":  "删除Secret成功",
		"data": nil,
	})
}

// 更新secret
func (s *secret) UpdateSecret(ctx *gin.Context) {
	params := new(struct {
		Namespace string `json:"namespace"`
		Content   string `json:"content"`
	})
	//PUT请求，绑定参数方法改为ctx.ShouldBindJSON
	if err := ctx.ShouldBindJSON(params); err != nil {
		logger.Error("Bind请求参数失败, " + err.Error())
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}

	err := service.Secret.UpdateSecret(params.Namespace, params.Content)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{
			"msg":  err.Error(),
			"data": nil,
		})
		return
	}
	ctx.JSON(http.StatusOK, gin.H{
		"msg":  "更新Secret成功",
		"data": nil,
	})
}

4. 定义路由

controller/router.go

		// secret
		GET("/api/k8s/secrets", Secret.GetSecrets).
		GET("/api/k8s/secret/detail", Secret.GetSecretDetail).
		DELETE("/api/k8s/secret/del", Secret.DeleteSecret).
		PUT("/api/k8s/secret/update", Secret.UpdateSecret)

5. 测试Secret方法

5.1 获取Secrets

5.2 获取Secret详情

其余等做好前端一起测试